Home / 37,172.04-51,296.40-20,405.04

Finding the Fourth Proportional to 37,172.04, 51,296.40 and 20,405.04

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Solution

The fourth proportional to 37,172.04, 51,296.40 and 20,405.04 is: 28,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.04 : 51,296.40 = 20,405.04 : x
  2. Step 2: Convert to fraction form
    37,172.04/51,296.40 = 20,405.04/x
  3. Step 3: Cross multiply
    37,172.04x = 51,296.40 × 20,405.04
  4. Step 4: Simplify right side
    37,172.04x = 1,046,705,093.86
  5. Step 5: Solve for x
    x = 1,046,705,093.86/37,172.04
  6. Step 6: Final answer
    x = 28,158.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.